{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-5042","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-03-27T16:35:43.170Z","datePublished":"2026-03-29T10:30:10.400Z","dateUpdated":"2026-03-30T14:52:35.882Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-03-29T10:30:10.400Z"},"title":"Belkin F9K1122 Parameter formCrossBandSwitch stack-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-121","lang":"en","description":"Stack-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"Belkin","product":"F9K1122","versions":[{"version":"1.00.33","status":"affected"}],"cpes":["cpe:2.3:o:belkin:f9k1122_firmware:*:*:*:*:*:*:*:*"],"modules":["Parameter Handler"]}],"descriptions":[{"lang":"en","value":"A security flaw has been discovered in Belkin F9K1122 1.00.33. The affected element is the function formCrossBandSwitch of the file /goform/formCrossBandSwitch of the component Parameter Handler. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","baseSeverity":"HIGH"}},{"cvssV3_1":{"version":"3.1","baseScore":8.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":8.8,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":9,"vectorString":"AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-03-27T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-03-27T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-27T17:41:56.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"LtzHuster2 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/353965","name":"VDB-353965 | Belkin F9K1122 Parameter formCrossBandSwitch stack-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/353965/cti","name":"VDB-353965 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/779123","name":"Submit #779123 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/Litengzheng/vul_db/blob/main/Belkin/vul_153/README.md","tags":["exploit"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-30T12:59:37.583296Z","id":"CVE-2026-5042","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-30T14:52:35.882Z"}}]}}